308429768 has 8 divisors (see below), whose sum is σ = 578305830. Its totient is φ = 154214880.

The previous prime is 308429753. The next prime is 308429773. The reversal of 308429768 is 867924803.

308429768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 178970884 + 129458884 = 13378^2 + 11378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19276853 + ... + 19276868.

Almost surely, 2^308429768 is an apocalyptic number.

It is an amenable number.

308429768 is a deficient number, since it is larger than the sum of its proper divisors (269876062).

308429768 is a wasteful number, since it uses less digits than its factorization.

308429768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38553727 (or 38553723 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 308429768 is about 17562.1686587961. The cubic root of 308429768 is about 675.6453036943.

The spelling of 308429768 in words is "three hundred eight million, four hundred twenty-nine thousand, seven hundred sixty-eight".